WO2015193395A1 - Composition lubrifiante - Google Patents
Composition lubrifiante Download PDFInfo
- Publication number
- WO2015193395A1 WO2015193395A1 PCT/EP2015/063640 EP2015063640W WO2015193395A1 WO 2015193395 A1 WO2015193395 A1 WO 2015193395A1 EP 2015063640 W EP2015063640 W EP 2015063640W WO 2015193395 A1 WO2015193395 A1 WO 2015193395A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lubricating composition
- composition according
- molybdenum
- hydrophobic
- polymeric
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 90
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 38
- 239000000654 additive Substances 0.000 claims abstract description 38
- 239000011733 molybdenum Substances 0.000 claims abstract description 24
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 24
- 239000002199 base oil Substances 0.000 claims abstract description 22
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 22
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000005078 molybdenum compound Substances 0.000 claims abstract description 19
- 229920001477 hydrophilic polymer Polymers 0.000 claims abstract description 16
- 239000000446 fuel Substances 0.000 claims abstract description 15
- 229920000098 polyolefin Polymers 0.000 claims abstract description 15
- 229920000570 polyether Polymers 0.000 claims abstract description 13
- 239000004952 Polyamide Substances 0.000 claims abstract description 12
- 229920001600 hydrophobic polymer Polymers 0.000 claims abstract description 12
- 229920002647 polyamide Polymers 0.000 claims abstract description 12
- 229920000728 polyester Polymers 0.000 claims abstract description 12
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 11
- -1 molybdenum amines Chemical class 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 13
- 229920001400 block copolymer Polymers 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 229920005862 polyol Polymers 0.000 claims description 6
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 5
- KHYKFSXXGRUKRE-UHFFFAOYSA-J molybdenum(4+) tetracarbamodithioate Chemical class C(N)([S-])=S.[Mo+4].C(N)([S-])=S.C(N)([S-])=S.C(N)([S-])=S KHYKFSXXGRUKRE-UHFFFAOYSA-J 0.000 claims description 5
- 150000003077 polyols Chemical class 0.000 claims description 5
- 229920002367 Polyisobutene Polymers 0.000 claims description 4
- 229920005652 polyisobutylene succinic anhydride Polymers 0.000 claims description 4
- XYRMLECORMNZEY-UHFFFAOYSA-B [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S Chemical class [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S XYRMLECORMNZEY-UHFFFAOYSA-B 0.000 claims description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 description 36
- 239000003607 modifier Substances 0.000 description 35
- 239000003921 oil Substances 0.000 description 33
- 230000000996 additive effect Effects 0.000 description 20
- 239000003599 detergent Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 10
- 239000003963 antioxidant agent Substances 0.000 description 9
- 235000006708 antioxidants Nutrition 0.000 description 9
- 125000004432 carbon atom Chemical group C* 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 9
- 239000013638 trimer Substances 0.000 description 8
- 239000002270 dispersing agent Substances 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 6
- 235000014113 dietary fatty acids Nutrition 0.000 description 6
- 229930195729 fatty acid Natural products 0.000 description 6
- 239000000194 fatty acid Substances 0.000 description 6
- 150000004665 fatty acids Chemical class 0.000 description 6
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical class O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 6
- 241001279686 Allium moly Species 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000002530 phenolic antioxidant Substances 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 239000007866 anti-wear additive Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 150000001991 dicarboxylic acids Chemical class 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N hexanedioic acid Natural products OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 239000002480 mineral oil Substances 0.000 description 4
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 4
- 229960001860 salicylate Drugs 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 3
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical class C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 3
- 239000005642 Oleic acid Substances 0.000 description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical group 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 3
- 239000012990 dithiocarbamate Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 3
- 235000021313 oleic acid Nutrition 0.000 description 3
- SXYOAESUCSYJNZ-UHFFFAOYSA-L zinc;bis(6-methylheptoxy)-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].CC(C)CCCCCOP([S-])(=S)OCCCCCC(C)C.CC(C)CCCCCOP([S-])(=S)OCCCCCC(C)C SXYOAESUCSYJNZ-UHFFFAOYSA-L 0.000 description 3
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 2
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 2
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 description 2
- ICKWICRCANNIBI-UHFFFAOYSA-N 2,4-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C(C(C)(C)C)=C1 ICKWICRCANNIBI-UHFFFAOYSA-N 0.000 description 2
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 description 2
- WJQOZHYUIDYNHM-UHFFFAOYSA-N 2-tert-Butylphenol Chemical compound CC(C)(C)C1=CC=CC=C1O WJQOZHYUIDYNHM-UHFFFAOYSA-N 0.000 description 2
- IKEHOXWJQXIQAG-UHFFFAOYSA-N 2-tert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1 IKEHOXWJQXIQAG-UHFFFAOYSA-N 0.000 description 2
- XOUQAVYLRNOXDO-UHFFFAOYSA-N 2-tert-butyl-5-methylphenol Chemical compound CC1=CC=C(C(C)(C)C)C(O)=C1 XOUQAVYLRNOXDO-UHFFFAOYSA-N 0.000 description 2
- YAXXOCZAXKLLCV-UHFFFAOYSA-N 3-dodecyloxolane-2,5-dione Chemical class CCCCCCCCCCCCC1CC(=O)OC1=O YAXXOCZAXKLLCV-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N Heptanedioic acid Natural products OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- KEQFTVQCIQJIQW-UHFFFAOYSA-N N-Phenyl-2-naphthylamine Chemical compound C=1C=C2C=CC=CC2=CC=1NC1=CC=CC=C1 KEQFTVQCIQJIQW-UHFFFAOYSA-N 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N Nonanedioid acid Natural products OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Natural products OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 2
- 235000021314 Palmitic acid Nutrition 0.000 description 2
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
- 229920002873 Polyethylenimine Polymers 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 102000002067 Protein Subunits Human genes 0.000 description 2
- 108010001267 Protein Subunits Proteins 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N Suberic acid Natural products OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 2
- FQUNFJULCYSSOP-UHFFFAOYSA-N bisoctrizole Chemical compound N1=C2C=CC=CC2=NN1C1=CC(C(C)(C)CC(C)(C)C)=CC(CC=2C(=C(C=C(C=2)C(C)(C)CC(C)(C)C)N2N=C3C=CC=CC3=N2)O)=C1O FQUNFJULCYSSOP-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 150000002009 diols Chemical class 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229950000688 phenothiazine Drugs 0.000 description 2
- 229920001515 polyalkylene glycol Polymers 0.000 description 2
- 229920013639 polyalphaolefin Polymers 0.000 description 2
- 229920000193 polymethacrylate Polymers 0.000 description 2
- PDEDQSAFHNADLV-UHFFFAOYSA-M potassium;disodium;dinitrate;nitrite Chemical compound [Na+].[Na+].[K+].[O-]N=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PDEDQSAFHNADLV-UHFFFAOYSA-M 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229960002317 succinimide Drugs 0.000 description 2
- 239000003784 tall oil Substances 0.000 description 2
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HFVMEOPYDLEHBR-UHFFFAOYSA-N (2-fluorophenyl)-phenylmethanol Chemical compound C=1C=CC=C(F)C=1C(O)C1=CC=CC=C1 HFVMEOPYDLEHBR-UHFFFAOYSA-N 0.000 description 1
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 description 1
- OIWIYLWZIIJNHU-UHFFFAOYSA-N 1-sulfanylpyrazole Chemical compound SN1C=CC=N1 OIWIYLWZIIJNHU-UHFFFAOYSA-N 0.000 description 1
- ZBRNSXOKGALPHF-UHFFFAOYSA-N 10-[(3,5-ditert-butyl-4-hydroxyphenyl)methylsulfanyl]decanoic acid Chemical compound CC(C)(C)C1=CC(CSCCCCCCCCCC(O)=O)=CC(C(C)(C)C)=C1O ZBRNSXOKGALPHF-UHFFFAOYSA-N 0.000 description 1
- OPLCSTZDXXUYDU-UHFFFAOYSA-N 2,4-dimethyl-6-tert-butylphenol Chemical compound CC1=CC(C)=C(O)C(C(C)(C)C)=C1 OPLCSTZDXXUYDU-UHFFFAOYSA-N 0.000 description 1
- JZODKRWQWUWGCD-UHFFFAOYSA-N 2,5-di-tert-butylbenzene-1,4-diol Chemical compound CC(C)(C)C1=CC(O)=C(C(C)(C)C)C=C1O JZODKRWQWUWGCD-UHFFFAOYSA-N 0.000 description 1
- LKALLEFLBKHPTQ-UHFFFAOYSA-N 2,6-bis[(3-tert-butyl-2-hydroxy-5-methylphenyl)methyl]-4-methylphenol Chemical compound OC=1C(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=CC(C)=CC=1CC1=CC(C)=CC(C(C)(C)C)=C1O LKALLEFLBKHPTQ-UHFFFAOYSA-N 0.000 description 1
- BVUXDWXKPROUDO-UHFFFAOYSA-N 2,6-di-tert-butyl-4-ethylphenol Chemical compound CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BVUXDWXKPROUDO-UHFFFAOYSA-N 0.000 description 1
- SLUKQUGVTITNSY-UHFFFAOYSA-N 2,6-di-tert-butyl-4-methoxyphenol Chemical compound COC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SLUKQUGVTITNSY-UHFFFAOYSA-N 0.000 description 1
- QHPKIUDQDCWRKO-UHFFFAOYSA-N 2,6-ditert-butyl-4-[2-(3,5-ditert-butyl-4-hydroxyphenyl)propan-2-yl]phenol Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(C(C)(C)C=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 QHPKIUDQDCWRKO-UHFFFAOYSA-N 0.000 description 1
- YQQQXXUABFURLN-UHFFFAOYSA-N 2,6-ditert-butyl-4-ethoxyphenol Chemical compound CCOC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 YQQQXXUABFURLN-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- SZSSMFVYZRQGIM-UHFFFAOYSA-N 2-(hydroxymethyl)-2-propylpropane-1,3-diol Chemical compound CCCC(CO)(CO)CO SZSSMFVYZRQGIM-UHFFFAOYSA-N 0.000 description 1
- ROHFBIREHKPELA-UHFFFAOYSA-N 2-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]prop-2-enoic acid;methane Chemical compound C.CC(C)(C)C1=CC(CC(=C)C(O)=O)=CC(C(C)(C)C)=C1O.CC(C)(C)C1=CC(CC(=C)C(O)=O)=CC(C(C)(C)C)=C1O.CC(C)(C)C1=CC(CC(=C)C(O)=O)=CC(C(C)(C)C)=C1O.CC(C)(C)C1=CC(CC(=C)C(O)=O)=CC(C(C)(C)C)=C1O ROHFBIREHKPELA-UHFFFAOYSA-N 0.000 description 1
- QSRJVOOOWGXUDY-UHFFFAOYSA-N 2-[2-[2-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoyloxy]ethoxy]ethoxy]ethyl 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C)=CC(CCC(=O)OCCOCCOCCOC(=O)CCC=2C=C(C(O)=C(C)C=2)C(C)(C)C)=C1 QSRJVOOOWGXUDY-UHFFFAOYSA-N 0.000 description 1
- ROGIWVXWXZRRMZ-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1 ROGIWVXWXZRRMZ-UHFFFAOYSA-N 0.000 description 1
- HXIQYSLFEXIOAV-UHFFFAOYSA-N 2-tert-butyl-4-(5-tert-butyl-4-hydroxy-2-methylphenyl)sulfanyl-5-methylphenol Chemical compound CC1=CC(O)=C(C(C)(C)C)C=C1SC1=CC(C(C)(C)C)=C(O)C=C1C HXIQYSLFEXIOAV-UHFFFAOYSA-N 0.000 description 1
- IMOYOUMVYICGCA-UHFFFAOYSA-N 2-tert-butyl-4-hydroxyanisole Chemical compound COC1=CC=C(O)C=C1C(C)(C)C IMOYOUMVYICGCA-UHFFFAOYSA-N 0.000 description 1
- GPNYZBKIGXGYNU-UHFFFAOYSA-N 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol Chemical compound CC(C)(C)C1=CC(CC)=CC(CC=2C(=C(C=C(CC)C=2)C(C)(C)C)O)=C1O GPNYZBKIGXGYNU-UHFFFAOYSA-N 0.000 description 1
- STGFANHLXUILNY-UHFFFAOYSA-N 3,7-dioctyl-10h-phenothiazine Chemical compound C1=C(CCCCCCCC)C=C2SC3=CC(CCCCCCCC)=CC=C3NC2=C1 STGFANHLXUILNY-UHFFFAOYSA-N 0.000 description 1
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C10M2205/173—Fisher Tropsch reaction products used as base material
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Definitions
- the present invention relates to a lubricating oil composition, in particular to a lubricating oil
- composition which is suitable for lubricating internal combustion engines and which has improved friction and wear reduction and improved fuel economy.
- Optimising lubricants through the use of high performance base stocks and novel additives represents a flexible solution to a growing challenge.
- Friction-reducing additives (which are also known as friction modifiers) are important lubricant components in reducing fuel consumption and various such additives are already known in the art .
- Friction modifiers can be conveniently divided into two categories, that is to say, metal-containing friction modifiers and ashless (organic) friction modifiers.
- Organo-molybdenum compounds are amongst the most common metal-containing friction modifiers. Typical organo-molybdenum compounds include molybdenum
- MoDTC molybdenum dithiophosphates
- MoDTP molybdenum dithiophosphates
- molybdenum amines molybdenum alcoholates
- molybdenum alcohol-amides molybdenum alcohol-amides .
- WO-A-98/26030, WO-A-99/31113, WO-A-99/47629 and WO-A-99/66013 describe tri-nuclear molybdenum compounds for use in lubricating oil
- Ashless (organic) friction modifiers which have been used in the past typically comprise esters of fatty acids and polyhydric alcohols, fatty acid amides, amines derived from fatty acids and organic dithiocarbamate or dithiophosphate compounds .
- molybdenum friction modifiers typically outperform ashless friction modifiers in the boundary regime.
- organo-molybdenum compounds are useful for providing high levels of friction modification, there are also known limitations with these compounds.
- molybdenum-based friction modifiers can be used.
- WO2011/107739 discloses an automotive engine oil and/or fuel comprising a base stock and an organic polymeric friction reducing additive.
- a lubricating oil composition comprising a combination of organo-molybdenum compound and an organic polymeric friction reducing additive has improved friction and wear reduction and improved fuel economy, while requiring reduced levels of organo-molybdenum compounds .
- the present invention provides a lubricating composition for use in the crankcase of an engine comprising (i) a base oil; (ii) one or more organo-molybdenum compounds at a level sufficient to provide from 100 to 1000 ppmw of molybdenum; and (iii) from 0.2 wt% to 5 wt%, by weight of the lubricating composition, of one or more organic polymeric friction reducing additives, wherein the one or more organic polymeric friction reducing additives has a molecular weight ranging from 1000 to 30000 Daltons and is the reaction product of :
- hydrophobic polymeric sub unit which comprises a hydrophobic polymer selected from polyolefins
- hydrophilic polymeric sub unit which comprises a hydrophilic polymer selected from polyethers, polyesters, polyamides ;
- Figure 1 shows a plot of friction coefficient measurements in the boundary and mixed regimes as a function of speed for the compositions set out in Table 2.
- Figure 2 shows a plot of friction coefficient measurements in the boundary and mixed regimes as a function of speed for the compositions set out in Table 4.
- compositions of the present invention is one or more organo-molybdenum compounds at a level sufficient to provide from 100 to 1000 ppmw of molybdenum, preferably at a level sufficient to provide from 100 to 300 ppmw of molybdenum .
- the organo-molybdenum compound for use herein is preferably selected from molybdenum dithiocarbamates
- MoDTC molybdenum dithiophosphates
- MoDTP molybdenum dithiophosphates
- molybdenum amines molybdenum alcoholates
- molybdenum alcohol- amides molybdenum alcohol- amides
- a preferred organo- molybdenum compound for use herein is molybdenum
- the organo-molybdenum compound contains tri- nuclear molybdenum (referred to herein as "moly trimer”) .
- Another essential component of the lubricating compositions of the present invention is one or more organic polymeric friction reducing additives wherein the one or more organic polymeric friction reducing additives has a molecular weight ranging from 1000 to 30000 Daltons and is the reaction product of:
- hydrophobic polymeric sub unit which comprises a hydrophobic polymer selected from polyolefins
- hydrophilic polymeric sub unit which comprises a hydrophilic polymer selected from polyethers, polyesters, polyamides ;
- the hydrophobic polymeric sub unit preferably comprises a hydrophobic polymer which is a polyolefin or a polyalphaolefin, more preferably a polyolefin.
- the polyolefin is preferably derived from a polymer of a monolefin having from 2 to 6 carbon atoms such as ethylene, propylene, butene and isobutene, more
- the said polymer preferably isobutene, the said polymer containing a chain of from 15 to 500, preferably 50 to 200 carbon atoms.
- the hydrophilic polymeric sub unit comprises a hydrophilic polymer selected from a polyether, a
- polyester examples include polyethylene terephthalate, polylactide and
- polyether examples include
- the hydrophilic polymeric sub unit comprises a hydrophilic polymer which is a polymer of a water soluble alkylene glycol.
- a preferred hydrophilic polymeric sub unit comprises a hydrophilic polymer which is a polyethylene glycol (PEG) , preferably PEG having a molecular weight of 300 to 5000 Daltons, more preferably
- a mixed poly (ethylene-propylene glycol) or mixed poly (ethylene-butylene glycol) may be used provided they achieve the desired water solubility criteria.
- Exemplary hydrophilic polymer sub units for use in the present invention include PEG 400, PEG 600 and PEG 1000.
- hydrophilic polymeric sub units may comprise hydrophilic polymers which are polyethers and polyamides derived from diols and diamines containing acidic groups, e.g. carboxylic acid groups, sulphonyl groups (e.g. sulphonyl styrenic groups), amine groups (e.g. tetraethylene pentamine (TEPA) or polyethylene imine (PEI)), or hydroxyl groups (e.g. sugar based mono- or co-polymers) .
- hydrophilic polymers which are polyethers and polyamides derived from diols and diamines containing acidic groups, e.g. carboxylic acid groups, sulphonyl groups (e.g. sulphonyl styrenic groups), amine groups (e.g. tetraethylene pentamine (TEPA) or polyethylene imine (PEI)), or hydroxyl groups (e.g. sugar based mono- or co-polymers)
- the hydrophilic polymeric sub unit may be either linear or branched.
- hydrophobic and hydrophilic polymeric sub units may link together to form block copolymer units.
- Either or both of the hydrophobic and hydrophilic polymeric sub units may comprise functional groups which enable them to link with the other sub unit.
- the hydrophobic polymeric sub unit may be derivatised so that it has a diacid/anhydride grouping by reaction with an unsaturated diacid or anhydride, for examples maleic anhydride.
- the diacid/anhydride can react by esterification with hydroxyl terminated hydrophilic polymeric sub units, for example a polyalkylene glycol.
- the hydrophobic polymeric sub unit may be derivatised by an epoxidation reaction with a peracid, for example
- the epoxide can then react with hydroxyl and/or acid terminated hydrophilic
- a hydrophilic polymeric sub unit which has a hydroxyl group may be derivatised by esterification with unsaturated mono carboxylic acids, for example vinyl acids, specifically acrylic or methacrylic acid. This derivatised
- hydrophilic polymeric sub unit can then react with a polyolefin hydrophobic polymeric sub unit by free radical copolymerisation .
- a particularly preferred hydrophobic polymeric sub unit comprises polyisobutylene polymer which has been subjected to maleinisation to form polyisobutylene succinic anhydride (PIBSA) having a molecular weight in the range of 300 to 5000 Daltons, preferably 500 to 1500 Daltons, especially 800 to 1200 Daltons.
- PIBSA polyisobutylene succinic anhydride
- Polyisobutylene succinic anhydrides are commercially available compounds made by an addition reaction between poly (isobutene ) having a terminal unsaturated group and maleic anhydride .
- Such block copolymer units may be directly linked to each other and/or they may be linked together by the at least one backbone moiety. Preferably they are linked together by the at least one backbone moiety.
- the choice of backbone moiety capable of linking together the block copolymer units is governed by whether the linking of units is between two hydrophobic polymeric sub units, between two hydrophilic polymeric sub units or between a hydrophobic polymeric sub unit and a
- hydrophilic polymeric sub unit Generally polyols and polycarboxylic acids form suitable backbone moieties.
- the polyol may be a diol, triol, tetrol, and/or related dimers or trimers or chain extended polymers of such compounds.
- suitable polyols include
- the polyol is a glycerol.
- the at least one backbone moiety is derived from a polycarboxylic acid, for example a di- or tricarboxylic acid. Dicarboxylic acids are preferred polycarboxylic acids, though branched chain dicarboxylic acids may also be suitable.
- straight chained dicarboxylic acids having a chain length of between 2 and 10 carbon atoms, for example oxalic, malonic, succinic, glutaric, adipic, pimelic, suberic, azelaic or sebacic acid.
- Unsaturated dicarboxylic acids such as maleic acid may also be suitable.
- polycarboxylic acid backbone moiety to link units is adipic acid.
- Alternative linking backbone moieties are low molecular weight alkenyl succinic anhydrides (ASA) such as Ci eASA .
- any of the organic polymeric friction reducing additives different or same backbone moieties can be used to link together such block copolymer units.
- the number of block copolymer units in the organic polymeric friction reducing additive typically ranges from 1 to 20 units, preferably from 1 to 15, more preferably from 1 to 10 and especially 1 to 7 units.
- Suitable fatty acids include C12 -C22 linear saturated, branched saturated, linear unsaturated and branched unsaturated acids, including, but not limited to lauric acid, erucic acid, isostearic acid, palmitic acid, oleic acid, and linoleic acid, preferably palmitic acid, oleic acid and linoleic acid.
- TOFA a derivative of tall oil, which is primarily oleic acid.
- the organic polymeric friction reducing additive used herein has a molecular weight of from 1000 to 30000 Daltons, preferably from 1500 to 25000, more preferably from 2000 to 20000 Daltons.
- a composition comprising the organic polymeric friction reducing additive will comprise a range of polymer chains of different lengths such that there will be a range of molecular masses in a particular composition. In such a case it is desirable that a substantial portion of the organic polymeric friction reducing additive molecules are within the above mentioned size ranges.
- the organic polymeric friction reducing additive herein has a desired acid value of less than 20,
- hydrophobic polymeric sub unit which comprises a hydrophobic polymer selected from polyolefins
- hydrophilic polymeric sub unit which comprises a hydrophilic polymer selected from polyethers, polyesters, polyamides;
- the preferred molecular weight range is 1000 to 3000 Daltons and the desired acid value is less than 15.
- hydrophobic polymeric sub unit which comprises a hydrophobic polymer selected from polyolefins
- hydrophilic polymeric sub unit which comprises a hydrophilic polymer selected from polyethers, polyesters, polyamides;
- the preferred molecular weight range is 3000 to 25000, more preferably 5000 to 20000 Daltons .
- the desired acid value is preferably less than 10, more preferably less than 7.
- the organic polymeric friction reducing additive is the reaction product of: a) a hydrophobic polymeric sub unit which comprises a hydrophobic polymer selected from polyolefins,
- hydrophilic polymeric sub unit which comprises a hydrophilic polymer selected from polyethers, polyesters, polyamides ;
- the preferred molecular weight range is 2000 to 10000, more preferably 2000 to 5000 Daltons.
- the desired acid value is preferably less than 15, more preferably less than 10.
- the ingredients of the reactions a) , b) and c) when present and d) when present may be mixed in a single step process or they may be mixed together in a multi step- process .
- the organic polymeric friction reducing additive described hereinabove is commercially available from Croda under the trade names Perfad 3050 and Perfad 3006.
- the organic polymeric friction reducing additive is present at a level of from 0.2 wt% to 5.0 wt%, preferably at a level of from 0.3 wt% to 3.0 wt%, more preferably 0.2 wt% to 1.5 wt%, by weight of the lubricating
- the total amount of base oil incorporated in the lubricating oil composition of the present invention is preferably present in an amount in the range of from 60 to 92 wt . %, more preferably in an amount in the range of from 75 to 90 wt . % and most preferably in an amount in the range of from 75 to 88 wt . %, with respect to the total weight of the lubricating oil composition.
- base oil used in the present invention there are no particular limitations regarding the base oil used in the present invention, and various conventional known mineral oils and synthetic oils may be conveniently used.
- the base oil used in the present invention may conveniently comprise mixtures of one or more mineral oils and/or one or more synthetic oils.
- Mineral oils include liquid petroleum oils and solvent-treated or acid-treated mineral lubricating oils of the paraffinic, naphthenic, or mixed
- paraffinic/naphthenic type which may be further refined by hydrofinishing processes and/or dewaxing.
- Naphthenic base oils have low viscosity index (VI) (generally 40-80) and a low pour point.
- Such base oils are produced from feed stocks rich in naphthenes and low in wax content and are used mainly for lubricants in which colour and colour stability are important, and VI and oxidation stability are of secondary importance.
- Paraffinic base oils have higher VI (generally >95) and a high pour point. Said base oils are produced from feed stocks rich in paraffins, and are used for
- Fischer-Tropsch derived base oils may be
- the base oil in the lubricating oil composition of the present invention for example, the
- Fischer-Tropsch derived base oils disclosed in EP-A- 776959, EP-A-668342, WO-A-97/21788, WO-00/15736, WO- 00/14188, WO-00/14187, WO-00/14183, WO-00/14179, WO- 00/08115, WO-99/41332, EP-1029029, WO-01/18156 and WO- 01/57166.
- Synthetic processes enable molecules to be built from simpler substances or to have their structures modified to give the precise properties required.
- dibasic acids esters dibasic acids esters
- polyol esters polyol esters
- dewaxed waxy raffinate dewaxed waxy raffinate
- hydrocarbon base oils sold by the Royal Dutch/Shell Group of Companies under the designation "XHVI” (trade mark) may be conveniently used.
- the base oil comprises mineral oils and/or synthetic oils which contain more than 80% wt of saturates, preferably more than 90 % wt . , as measured according to ASTM D2007.
- the base oil contains less than 1.0 wt . %, preferably less than 0.1 wt . % of sulphur, calculated as elemental sulphur and measured according to ASTM D2622, ASTM D4294, ASTM D4927 or ASTM D3120.
- the viscosity index of the base oil is more than 80, more preferably more than 120, as measured according to ASTM D2270.
- the lubricating oil composition has a kinematic viscosity in the range of from 2 to 80 mm 2 /s at
- the total amount of phosphorus in the lubricating oil composition of the present invention is preferably in the range of from 0.04 to 0.12 wt . %, more preferably in the range of from 0.04 to 0.09 wt . % and most preferably in the range of from 0.045 to 0.08 wt . %, based on total weight of the lubricating oil composition.
- the lubricating oil composition of the present invention preferably has a sulphated ash content of not greater than 2.0 wt . %, more preferably not greater than 1.0 wt . % and most preferably not greater than 0.8 wt . %, based on the total weight of the lubricating oil
- the lubricating oil composition of the present invention preferably has a sulphur content of not greater than 1.2 wt . %, more preferably not greater than 0.8 wt . % and most preferably not greater than 0.2 wt . %, based on the total weight of the lubricating oil composition.
- the lubricating oil composition of the present invention may further comprise additional additives such as anti-oxidants , anti-wear additives, detergents, dispersants, additional friction modifiers, viscosity index improvers, pour point depressants, corrosion inhibitors, defoaming agents and seal fix or seal
- additional additives such as anti-oxidants , anti-wear additives, detergents, dispersants, additional friction modifiers, viscosity index improvers, pour point depressants, corrosion inhibitors, defoaming agents and seal fix or seal
- a particularly preferred additional additive for use herein in combination with the organo-molybdenum compound and the organic polymeric friction reducing additive described hereinabove is a hydroxy alkyl amine friction modifier, such as that commercially available from Adeka under the trade name Adeka FM926.
- the hydroxy alkyl amine friction modifier is present at a level of from 0.2 wt% to 3.0 wt%, more preferably at a level of from 0.3 wt% to 1.0 wt%, by weight of the lubricating composition.
- Antioxidants that may be conveniently used include those selected from the group of aminic antioxidants and/or phenolic antioxidants.
- said antioxidants are present in an amount in the range of from 0.1 to 5.0 wt . %, more preferably in an amount in the range of from 0.3 to 3.0 wt . %, and most preferably in an amount in the range of from 0.5 to 1.5 wt . %, based on the total weight of the lubricating oil composition.
- alkylated diphenylamines phenyl-a-naphthylamines, phenyl--naphthylamines and alkylated a-naphthylamines .
- Preferred aminic antioxidants include
- dialkyldiphenylamines such as p, p ' -dioctyl-diphenylamine, p, p ' -di-OC-methylbenzyl-diphenylamine and N-p-butylphenyl- N-p ' -octylphenylamine, monoalkyldiphenylamines such as mono-t-butyldiphenylamine and mono-octyldiphenylamine, bis (dialkylphenyl) amines such as di-(2,4- diethylphenyl) amine and di (2-ethyl-4-nonylphenyl) amine, alkylphenyl-l-naphthylamines such as octylphenyl-1- naphthylamine and n-t-dodecylphenyl-l-naphthylamine, 1- naphthylamine, arylnap
- phenylenediamines such as N, ' -diisopropyl-p- phenylenediamine and N, ' -diphenyl-p-phenylenediamine, and phenothiazines such as phenothiazine and 3,7- dioctylphenothiazine .
- Preferred aminic antioxidants include those available under the following trade designations: “Sonoflex OD-3” (ex. Seiko Kagaku Co.), “Irganox L-57” (ex. Ciba).
- phenolic antioxidants which may be conveniently used include C 7 -C 9 branched alkyl esters of 3, 5-bis (1, 1-dimethyl-ethyl ) -4-hydroxy-benzenepropanoic acid, 2-t-butylphenol, 2-t-butyl-4-methylphenol, 2-t- butyl-5-methylphenol, 2, 4-di-t-butylphenol, 2, 4-dimethyl- 6-t-butylphenol, 2-t-butyl-4-methoxyphenol, 3-t-butyl-4- methoxyphenol, 2, 5-di-t-butylhydroquinone, 2, 6-di-t-butyl- 4-alkylphenols such as 2, 6-di-t-butylphenol, 2,6-di-t- butyl-4-methylphenol and 2, 6-di-t-butyl-4-ethylphenol,
- 2, 6-di-t-butyl-4-alkoxyphenols such as 2, 6-di-t-butyl-4- methoxyphenol and 2, 6-di-t-butyl-4-ethoxyphenol, 3,5-di-t- butyl-4-hydroxybenzylmercaptooctylacetate, alkyl-3- (3, 5- di-t-butyl-4-hydroxyphenyl) propionates such as n- octadecyl-3- (3, 5-di-t-butyl-4-hydroxyphenyl) propionate, n- butyl-3- (3, 5-di-t-butyl-4-hydroxyphenyl) propionate and 2'- ethylhexyl-3- (3, 5-di-t-butyl-4-hydroxyphenyl) propionate, 2, 6-d-t-butyl-OC-dimethylamino-p-cresol, 2,2' -methylene- bis (4-alkyl-6-t-butyl
- Preferred phenolic antioxidants include those available under the following trade designations: "Irganox L-135" (ex. Ciba Specialty Chemicals Co.), “Yoshinox SS” (ex. Yoshitomi Seiyaku Co.), “Antage W-400” (ex. Kawaguchi Kagaku Co.), “Antage W-500” (ex. Kawaguchi Kagaku Co.),
- the lubricating oil composition of the present invention may comprise mixtures of one or more phenolic antioxidants with one or more aminic antioxidants.
- the lubricating oil composition may comprise a single zinc dithiophosphate or a combination of two or more zinc dithiophosphates as anti-wear additives, the or each zinc dithiophosphate being selected from zinc dialkyl-, diaryl- or alkylaryl- dithiophosphates .
- Zinc dithiophosphate is a well known additive in the art and may be conveniently represented by general formula II;
- R z to R may be the same or different and are each a primary alkyl group containing from 1 to 20 carbon atoms preferably from 3 to 12 carbon atoms, a secondary alkyl group containing from 3 to 20 carbon atoms, preferably from 3 to 12 carbon atoms, an aryl group or an aryl group substituted with an alkyl group, said alkyl substituent containing from 1 to 20 carbon atoms
- Zinc dithiophosphate compounds in which to are all different from each other can be used alone or in admixture with zinc dithiophosphate compounds in which R 2 to R 5 are all the same.
- the or each zinc dithiophosphate used in the present invention is a zinc dialkyl dithiophosphate.
- Examples of suitable zinc dithiophosphates which are commercially available include those available ex.
- dithiophosphates such as those available ex. Lubrizol Corporation under the trade designations “Lz 1370” and “Lz 1373” and that available ex. Chevron Oronite under the trade designation "OLOA 260”.
- the lubricating oil composition according to the present invention may generally comprise in the range of from 0.4 to 1.2 wt . % of zinc dithiophosphate, based on total weight of the lubricating oil composition.
- composition of the present invention may be conveniently used in the composition of the present invention .
- lubricating oil of the present invention include one or more salicylate and/or phenate and/or sulphonate
- metal organic and inorganic base salts which are used as detergents can contribute to the sulphated ash content of a lubricating oil composition, in a preferred embodiment of the present invention, the amounts of such additives are minimised.
- salicylate detergents can be used.
- the lubricating oil composition of the present invention may comprise one or more salicylate detergents.
- said detergents are preferably used in amounts in the range of 0.05 to 20.0 wt . %, more
- lubricating oil composition preferably from 1.0 to 10.0 wt . % and most preferably in the range of from 2.0 to 5.0 wt . %, based on the total weight of the lubricating oil composition.
- said detergents independently, have a TBN (total base number) value in the range of from 10 to 500 mg.KOH/g, more preferably in the range of from 30 to 350 mg.KOH/g and most preferably in the range of from 50 to 300 mg.KOH/g, as measured by ISO 3771.
- TBN total base number
- the lubricating oil compositions of the present invention may additionally contain an ash-free dispersant which is preferably admixed in an amount in the range of from 5 to 15 wt . %, based on the total weight of the lubricating oil composition.
- ash-free dispersants examples include the polyalkenyl succinimides and polyalkenyl succininic acid esters disclosed in Japanese Patent Nos .
- Preferred dispersants include borated succinimides.
- viscosity index improvers which may be conveniently used in the lubricating oil composition of the present invention include the styrene-butadiene copolymers, styrene-isoprene stellate copolymers and the polymethacrylate copolymer and ethylene-propylene copolymers .
- Such viscosity index improvers may be conveniently employed in an amount in the range of from 1 to 20 wt . %, based on the total weight of the lubricating oil composition.
- Polymethacrylates may be conveniently employed in the lubricating oil compositions of the present invention as effective pour point depressants.
- polycyclohexane and polyacrylates may be conveniently used in the lubricating oil composition of the present
- seal fix or seal compatibility agents include, for example, commercially available aromatic esters.
- inventions may be conveniently prepared using conventional formulation techniques by admixing base oil with the organo-molybdenum compound and polymeric friction reducing additive together with and one or more other optional additives at a temperature of 60°C.
- a method of lubricating an internal combustion engine comprising applying a lubricating oil composition as hereinbefore described thereto.
- the present invention further provides the use of a lubricating composition as described herein for reducing friction .
- the present invention further provides the use of a lubricating composition as described herein for reducing wear.
- the present invention further provides the use of a lubricating composition as described herein for improving fuel economy.
- a lubricating composition was formulated using conventional lubricant blending procedures ("Baseline Oil
- a Fischer-Tropsch derived base oil having a
- kinematic viscosity at 100°C (ASTM D445) of approximately 4 cSt which may be conveniently prepared by the process described in WO 02/070631.
- polyisobutylene succinimide dispersant zinc alkyl dithiophosphate, overbased calcium alkyl salicylate detergent, borated dispersant and diphenylamine
- Baseline Oil A had a kVlOO (as measured according to ASTM D445) of 8.02 mm 2 /s, a kV40 (as measured according to ASTM D445) of 35.18 mm 2 /s, a CCS at -35°C (as measured according to ASTM D5293) of 4330 mPa.s, and an HTHS (as measured according to ASTM D4741) of 2.74 mPa.s.
- Baseline Oil A were an organo-molybdenum compound
- MoDTC molybdenum dithiocarbamate
- Moly Trimer trinuclear molybdenum, referred to in Table 2 and Figure 1 as "Moly Trimer”
- Perfad 3006 commercially available from Croda
- glycerol monooleate a well known and generally available friction modifier .
- Friction measurements were carried out on the compositions set out in Table 2 using a Mini-Traction Machine (MTM) manufactured by PCS Instruments.
- MTM Mini-Traction Machine
- the MTM Test was described by R.I. Taylor, E.
- the ball specimen was a polished steel ball bearing, 19.05 mm in diameter.
- the disc specimen was secured concentrically on a motor driven shaft.
- the disc specimen was secured concentrically on another motor driven shaft.
- the ball was loaded against the disc to create a point contact area with minimum spin and skew components. At the point of contact, a slide to roll ratio of 100% was maintained by adjusting the surface speed of the ball and disc.
- Friction coefficients of the relevant Test Oils were measured and the results are detailed in Table 2 below.
- the boundary friction coefficient is the averaged value at the low speeds from 0.05 m/s to 0.05 m/s
- the mixed friction coefficient is the averaged value at the higher speeds from 1.0 m/s to 2.6 m/s.
- Figure 1 shows a plot of friction coefficient measurements in the boundary and mixed regimes as a function of speed for the compositions set out in Table 2.
- a further lubricating composition was formulated using conventional lubricant blending procedures
- Baseline Oil B having the composition set out in Table 3 below.
- a Fischer-Tropsch derived base oil having a
- kinematic viscosity at 100°C (ASTM D445) of approximately 4 cSt which may be conveniently prepared by the process described in WO 02/070631.
- succinimide dispersant zinc alkyl dithiophosphate, overbased calcium alkyl phenate and sulphonate
- Baseline Oil B had a kVlOO (as measured according to ASTM D445) of 8.93 mm 2 /s, a kV40 (as measured according to ASTM D445) of 45.20 mm 2 /s, a VI of 183, an HTHS at 150°C (as measured according to ASTM D4741) of 2.52 CPs, an HTHS at 100°C (as measured according to ASTM D4741) of 5.55 CPs .
- Friction coefficients of the relevant Test Oils were measured using the MTM test method described above and the results are detailed in Table 4 below.
- Table 4 the boundary friction
- the mixed friction coefficient is the averaged value at the low speeds from 0.05 m/s to 0.05 m/s, and the mixed friction coefficient is the averaged value at the higher speeds from 1.0 m/s to 2.6 m/s .
- Moly Trimer Figure 2 shows a plot of friction coefficient measurements in the boundary and mixed regimes as a function of speed for the compositions set out in
- Lubrication regimes fall into four main categories: (1) Hydrodynamic, where the surfaces are completely separated by a fluid film, (2) Elastohydrodynamic, where the surfaces are separated by a very thin fluid film (3) Mixed, where the surfaces are partially separated with some asperity contact and (4) Boundary, where the surfaces are mostly in contact, even though a fluid film is present.
- Hydrodynamic where the surfaces are completely separated by a fluid film
- Elastohydrodynamic where the surfaces are separated by a very thin fluid film
- Mixed where the surfaces are partially separated with some asperity contact
- Boundary where the surfaces are mostly in contact, even though a fluid film is present.
- the mixed and boundary regimes rely on chemical antiwear additives and/or friction modifiers, and the like, to reduce wear and friction.
- Molybdenum containing friction modifiers are generally expected to perform well in reducing boundary friction and organic friction modifiers are thought to be more effective under mixed conditions.
- hydroxy alkyl amine friction modifier (Adeka FM926) is more effective in the mixed regime, but a little less effective at reducing boundary friction.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/318,733 US20170275555A1 (en) | 2014-06-19 | 2015-06-17 | Lubricating composition |
EP15729492.7A EP3158034A1 (fr) | 2014-06-19 | 2015-06-17 | Composition lubrifiante |
CN201580029625.3A CN106414686A (zh) | 2014-06-19 | 2015-06-17 | 润滑组合物 |
JP2016574091A JP2017518426A (ja) | 2014-06-19 | 2015-06-17 | 潤滑組成物 |
RU2017101549A RU2692794C2 (ru) | 2014-06-19 | 2015-06-17 | Смазывающая композиция |
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US201462014468P | 2014-06-19 | 2014-06-19 | |
US62/014,468 | 2014-06-19 |
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WO2015193395A1 true WO2015193395A1 (fr) | 2015-12-23 |
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PCT/EP2015/063640 WO2015193395A1 (fr) | 2014-06-19 | 2015-06-17 | Composition lubrifiante |
Country Status (6)
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US (1) | US20170275555A1 (fr) |
EP (1) | EP3158034A1 (fr) |
JP (1) | JP2017518426A (fr) |
CN (1) | CN106414686A (fr) |
RU (1) | RU2692794C2 (fr) |
WO (1) | WO2015193395A1 (fr) |
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WO2017174305A1 (fr) * | 2016-04-08 | 2017-10-12 | Croda International Plc | Système lubrifié comprenant une surface de dlc |
US9885004B2 (en) | 2013-12-23 | 2018-02-06 | Exxonmobil Research And Engineering Company | Method for improving engine fuel efficiency |
EP3372658A1 (fr) * | 2017-03-07 | 2018-09-12 | Infineum International Limited | Procédé de lubrification de surfaces |
US10190072B2 (en) | 2013-12-23 | 2019-01-29 | Exxonmobil Research And Engineering Company | Method for improving engine fuel efficiency |
RU2729063C2 (ru) * | 2015-12-24 | 2020-08-04 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Композиция смазочного масла для двигателя внутреннего сгорания |
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JP6895861B2 (ja) * | 2017-09-28 | 2021-06-30 | シェルルブリカンツジャパン株式会社 | 内燃機関用潤滑油組成物 |
WO2020007945A1 (fr) * | 2018-07-05 | 2020-01-09 | Shell Internationale Research Maatschappij B.V. | Composition lubrifiante |
CN110713859B (zh) * | 2018-07-13 | 2022-02-01 | 中国石油天然气股份有限公司 | 柴油机油组合物 |
CN110305723B (zh) * | 2019-07-17 | 2022-08-05 | 东莞市巴斯特能源科技有限公司 | 一种新型节能环保型汽油机油组合物及其制备方法 |
CN110951518B (zh) * | 2019-11-15 | 2022-04-15 | 山西潞安矿业(集团)有限责任公司 | 一种有机摩擦改进剂及降低低粘度润滑油摩擦系数的方法 |
FR3104609B1 (fr) * | 2019-12-13 | 2022-04-22 | Total Marketing Services | Composition lubrifiante pour limiter le frottement |
CN112342071A (zh) * | 2020-10-26 | 2021-02-09 | 中国石油化工股份有限公司 | 一种高hths性能的基础油组合物及其制备方法 |
CN116082562B (zh) * | 2021-11-05 | 2024-05-31 | 中国石油天然气集团有限公司 | 一种三元嵌段共聚物、复合抗泥包润滑处理剂及其制备方法 |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US9885004B2 (en) | 2013-12-23 | 2018-02-06 | Exxonmobil Research And Engineering Company | Method for improving engine fuel efficiency |
US10190072B2 (en) | 2013-12-23 | 2019-01-29 | Exxonmobil Research And Engineering Company | Method for improving engine fuel efficiency |
RU2729063C2 (ru) * | 2015-12-24 | 2020-08-04 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Композиция смазочного масла для двигателя внутреннего сгорания |
WO2017174305A1 (fr) * | 2016-04-08 | 2017-10-12 | Croda International Plc | Système lubrifié comprenant une surface de dlc |
CN108884408A (zh) * | 2016-04-08 | 2018-11-23 | 禾大国际股份公开有限公司 | 包含dlc表面的经润滑的系统 |
KR20180133412A (ko) * | 2016-04-08 | 2018-12-14 | 크로다 인터내셔날 피엘씨 | Dlc 표면을 포함하는 윤활 시스템 |
US10800993B2 (en) | 2016-04-08 | 2020-10-13 | Croda International Plc | Lubricated system comprising a DLC surface |
KR102313968B1 (ko) | 2016-04-08 | 2021-10-15 | 크로다 인터내셔날 피엘씨 | Dlc 표면을 포함하는 윤활 시스템 |
EP3372658A1 (fr) * | 2017-03-07 | 2018-09-12 | Infineum International Limited | Procédé de lubrification de surfaces |
US11292982B2 (en) | 2017-03-07 | 2022-04-05 | Infineum International Ltd | Method for lubricating surfaces |
Also Published As
Publication number | Publication date |
---|---|
US20170275555A1 (en) | 2017-09-28 |
RU2017101549A3 (fr) | 2019-01-16 |
CN106414686A (zh) | 2017-02-15 |
JP2017518426A (ja) | 2017-07-06 |
EP3158034A1 (fr) | 2017-04-26 |
RU2692794C2 (ru) | 2019-06-27 |
RU2017101549A (ru) | 2018-07-19 |
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